Aerial view of a crop circle made by local farmers and Greenpeace volunteers in Isabela province, 300 km northeast of Manila. The crop circle, with a slash over the letter 'M' symbolizes farmer's rejection of genetically-modified Bt corn crops from Mo...

Aerial view of a crop circle made by local farmers and Greenpeace volunteers in Isabela province, 300 km northeast of Manila. The crop circle, with a slash over the letter 'M' symbolizes farmer's rejection of genetically-modified Bt corn crops from Monsanto corporation.